Printing press



March 26,1929. w, H, CHUYL R 1,706,988

PRINTING PRESS Filed Sept. 15, 1927 fay @TUEW Zdbmmjiscfu yler 2 .J

Patented Filer. 26, 1929.

means PATENT OFFICE.

WILLIAM H. SC HUYLER, OF GRAND RAPIDS, MICHIGAN.

PRINTING PRESS.

Application filed September 15, .1927. Serial No. 219,574.

My invention relates to printing presses, and more particularly to ahand operated type of printing press which particularly adapted for usein establishments where a relatively small number of sheets are to beprinted each day, as for; example, in a restaurant where acoi'nparativelysmall number of menus are to be printed daily.

The principal object of my invent on is to provide a relativelyinexpensive printing press of the above described class which will beoperable to produce sharp or clean cut prints with a minimum expenditureof time and labor.

Other objects of the invention are; to provide a hand operated printingpress which will be serviceable asa proof press in a printingestablishment; to provide a printing press particularly adapted touselinotype for the type element; to provide a press of simple construction which will be rugged and durable;

to provide a press which will be easy to oper-, ate, and in general, toprovide an improved printing press of the class described.

Further objects and advantages of the invention will be understood byreference to the following specification and accompanying drawings inwhich I have illustrated a printing press of the above described class.

In the drawings:

Fig. 1 is a plan showing the platen element of the press moved to oneside to aili'erd free access to the base and type element of the press.

Fig. 2 is a section on the line 22 of Fig. 1, but showing the platenelement in its normal operative position overlying the base and typeelement. a

Fig. 3 is a section on the line 33 of: Fig. 2. Referring now to thedrawings, my improved press comprises a base 10, a platen 11rez-i'procably mounted in an arm or bracket 12 which is pivotallymounted on a post 13, the

latter being fixedly mounted in a boss 14' which is formed integral withthe base 10.

The base 10 preterably "formed of a relatively heavy ea sting having afinished top face 15 which is adapted to receive and support a typeelement 16. The type element may be 01 any suitable form andconstruction but prel erably comprises a chase 17 which is adapted toreceive a plurality of linotypes 18 provided with the characters it isdesired to print on paper or other stock. The chase 17 is provided witha pair of set screws 1920.which threadedly engage suitable apertures inone end of the chase and serve to clamp the linotypes tightly in placein the chase. The chase is also provided with a .pair of pins 21 andwhich depend from its opposite ends'and are adapted to enter suitableapertures such as in dicated at 23 provided in the base 10 to therei bysecure the chase in rigidly fixed position on the base.

As above noted, the boss 141 is made integral with the base 10 and isdisposed at one side of the finished surface 15 or the base, and issuitably apertured at 2 1 to receive the lower end of the post 13 whichis fixedly secured in the said aperture by any suitable means, forexample, a set screw 25. Y i

The arm 12 is pivotally mounted on the post 13, being provided with anaperture 26. which fits over the post and a spacing collar 27 isprovided formaintaining the bracket 12 in the desired fixed position ofvertical adjustv The bracket is also slot 28 with the pin 29. Similarlythe end i wall 31 of the slot limits pivotal movement of the bracket andplaten from operative to inoperative position as shown in Fig. 1. Acollar 32and nut 33 engaging a reduced and thread" Gd end portion 3 1 01the post 1.3 ser to lock It will be underthe bracket 12 onthe post.stoo'dthat the nut 33 is limited in its downward movement on thethreaded. portion 3 1 by engagement with the end shoulder 35 of the postand that by providing a collar 32 of proper width, any danger of bindingthe bracket against pivotal movement 15 over come.

of the bracket 12 so to be reciprocable in a vertical directionrelativeto the base, i. e., towards or from the base. For so mountingthe platen I provide the free end of the bracket with an open-sided slot36 which is adapted to slidably receive a flat bar 37. The 8 bar 37 isprovided at its upper end with an extension or stud 39, around which acoil spring 10 is disposed and compressed between a cap 41, which issecured to the upper end of the stud'39 by means of ascrew The platen 11is mounted in the free end 42, and the bottom wall 130f a recess orcounter bore i l provided in the upper end of the free end of thebracket 12. It will be seen that the spring 40 normally urges the bar 37to move upwardly, such tendency being overcome when the top ed e la -0t:the bar is even or flush with the bottom 43 of the recess so that thepressure of the spring 'is taken up between the cap all and the said topedge 45 lllSJGZlCl of between the cap and bottom wall 43 of the recess.The lower end of thebar 37 is preferably provided with a relativelyshort extension or stud 46 which is adapted to enter a socket or recess4&7 provided in the boss 48, which is lornredas an integral part ottheplaten 11. The stud 456 is preferably provided with a pair of recesses49 and fO'tor receivingthe end portions of screws 51 and 52 respectivelywhich threaded'ly engage suitable apertures provided in theboss andwhereby the platen is adjustably connected to the bar 37. The recesses49 and are preferably otgreater' width or diameter than thecorresponding dimension of the respective screws 51 and 52, and thescrews aretu'ined' inwardly sufliciently' to retain the platen on 'thestud 46, but so as to permit a small degree of universal movement of theplaten about thesaid stud 46. The

*lowerend "53 of the stud engages the bottom wall of the recessorsoc'ket' l'f when the platen is moved downwardly into engagement withthe type element so 't-hat'the 'screwsbl and are not required towithstand the pressure appliedto thep'laten during the printingoperation.

Any suitable "means may be provided for facilitating lowering of theplaten against the press reef-the spin-1g 40, and in. the pres entinstance I provide crank mechanisni' whichincludes "a shaft 54-rotatably -1nounted inana-perture 55 provided in thClnacke1'1 andextending a'tleast iiartia'lly through the slot 36 as will'beclearlyunderstood from an inspectiono'tl Fin"; 2. The shalt is procd with acrank fin 56 intermediate its 'l.l1Q( l with the slot 36"so-as endswhich al "handle 60 for facilitating manual operation 'thereoi'pandflSSlIOWHID and 3, the crank pin 1S disposed in the upper portion of theshaft so thatrotat-ionthereot will be ef- "lective to lower'the bar 36and platen ll against'the pressure e't t hespring 40.

tween the in 58 oi? the sa platen is swung impression. ln'soine casesmay adj net it In assembling the mechanism above described, the shaft54c is first inserted into the aperture 5? so as to align the crank pinportion 56 with the slot 36. The bar 3'? is then inserted from the openside of the slot 86 so that the notch embraces the crank pin, and aretaining plate 61 is then secured to the 'free end of the bracket 12 inany suitable manner as by means of screws (32 and 63 to lock the bar inoperative position in the slot. It will be noted that the bar thenslides beardly facing shoulders 5? and aft and thereby so yes to preventendwise displacement of the shaft.

The use and operation of my above described improved printing press isobviously the chase outhe base'ol the press in relatively likedposit-ion. byineans ofthepins 21 ZLFiCl'QQ.

' The type elelilfll ltis then ink-ed in any desirable inanner as forinstance by means oi a small hand inking roller which may be rolled overthe face of the linetypes when the to inperative position shown in 1.

A sheet out paper or other-stock to be printed on may then be placedoverthetygecle ment and the platen the-nswune' from inoperative to operativeposition, and depressed to force the-stock into printing en i "lit withthe type element. he printed. s. its may then be litted'ofi' and anothersheet inserted in its place preparatory to taking another b necessary toink the typeeleinent for each impression, and in seine cases two or moreimpressions may be taken after each i ing oi. the type. ihe plate mayoran-ay not be swung to inormrative position bet ec-n each impression asbest-suits the cenvenience oi? the overator, it being necessary toswing: the platen (mly when the type'i-s to be inkcd'bythe use of theabovenie: honed inking roller.

The bottom lace ot-the plat i1 is provided with a press blanket orcushion ii leather or-otl 1' suitable inatcriah which the prodr uonotShit!" or clean out oats and the universal move. rcuuection between theplaten and bar hi the platen to eliso as to engage inc type el' ent .1equal pressure over its entire surface. The press bla ct uiay be securedto the platen in any st i i as for izr-arare be; ccn'l-enting. havefound that the l ial-ly S0123. curate t n between the nav we'llibedaensed the same connected rigidly, in which c: blanket a-fiords suchalignment or adjustment as may be required.

er means Ina" be provided for mounting tense as to pernnt movementthereof operative position overlying the base.

to inoperative position, and other changes in the form, construction andarrangement of parts may be made without departing from the spirit oftheinvention, the scope of which should be determined by reference to thefollowing claims which. should be construed as broadly as possibleconsistent with the state of the art.

I claim as my invention:

1. In a printing as of the class described, the combination of a basefor receiving and supporting a. type element, a platen for force ingstock to be printed on, into printing ongagement with the type element,a bracket mounted on said base in fixed position of verticaladjustmei'it relative to the base but so as to be movable horizontallyrelative thereto, and means for mounting said platen on said bracket soas to permit reciprocation of the platen towards or from the base foreffecting said printing engagement, said means ctnnprisin a partvertically slidably mounted in the bracket and connected adjacent itslow, or end to said platen, and a manually operable rotatable member foreffecting vertical sliding movement of said member.

2. In a printing press of the class described, the combination of a basefor receiving and supportir a type element, a platen normally overlyingsaid base and operable to force a sheet of stock to be printed on, intoprinting engagement with the type element, and means for mounting saidplaten so as to permit vertical reciprocating movement thereof towardsand from the base and also sidewise movement thereof from its normaloverlying position to an inoperative position for permitting free accessto the base, said means comprising a post fixedly mounted relative tosaid base and adjacent one side thereof, an arm pivotally i'noimted onsaid post in fixed position of vertical adjustment relative to saidbase, said arm, when in operative position of pivotal a: ij ustment,proj ecting inwardly over the base and having its inner end providedwith a vertically extending guideway, a part slidably mounted in saidguideway and provided with a recess, a crank member rotatably mounted insaid arm and having an eccentric crank pin entering said recess foreffecting sliding move ment of said part when the crank member isrotated, and means for facilitating manual rotation of said crank.

23, In a printing press of the class described,

the combination of a base for receiving and supporting a type element, aplaten mounted so as to be rcciprocable towards or from the base forforcing a sheet of stock to be printed on,'into printing engagement withthe type element, and means for so mounting said platen comprising abracket member mounted on said base in fixed position of verticaladjustment relative to said base, normally disposed. in operativeposition over said base but horizontally adjustable to inoperativeposition alongside the base, a member slidably mounted in said bracketand adjustably con,-

nected adj acent its lower end to said. platen,

whereby the platen is adapted to adjust itself to exert uniform pressureagainst the base throughout the entn'e eflective area of thetornier,spring means for normally retaining said shdably mounted memberin its upper position of ad ustment, and manually operable means foreffecting downward sliding shaft rotatably mounted in said arm eXtend--ing transversely through said slot and provided with an eccentric crankpin intermediate its ends adaptedvto move in the slot when the shaft isrotated, a bar slidably mounted in said slot and. provided with a notchin its inner edge portion embracing said crank pin, the latter beingthereby rendered effective when the shaft is rotated to impart verticalsliding movement to thebar,

a retaining plate for locking the bar in said slot, means connecting thelower end of said bar with said platen, spring means yielding ly holdingsaid bar and platen in their upper position of vertical movement, and ahandle connected with said shaft for facilitating manual rotation of thelatter to thereby depress the platen.

5. In a printing press of the class described,

the combination of a horizontally disposed base member for receiving andsupporting a type element, a platen mounted so as to be verticallyreciprocable relative to said base for forcing a sheet of stock to beprinted on, into printing engagement with said type element, and meansfor so mounting said platen emnprising a bracket connected to said basein fixed. position of vertical adjustment relative thereto, said brackethaving a portion disposed over said base provided with an open. sidedslot, a crank shaft having bearing portions adjacent its opposite endsand a crank pin of small diameter relative to the diameter of saidbearing portions, and disposed intermediate the same, the ends of-saidbearing portions adjacent said crank pin forming inwardly facingshoulders at opposite ends of the crank pin, said crank shaft bearingportions l eing rotatably mounted in said bracketon opposite sides ofsaid slot with the crank pin aligned with the slot so as to be rotatabletherein, a bar slidably mounted in-saitl slot and provided with a notchin its inner portionenihracing said crank pin so as re be nievahlethereby When the crank is rotated, said bar fitting between saiclinwardly facing; shoulders to thereby prevent entlwise displacement ofthe crank ehaft, a retaining plate secured to said bracket ever theepensirlc of theslot terlecking the bar in operative position in theslot,

10 means cennecting Said bar and platen together for imparting movementof the bar to the platen, yielding; means normally holdsaid bar-andplaten in their respective er positions of vertical movement, and-ahandle connected to saicl shaft for facilitating WM. H. SCHUYLER.

